1# Makefile for QEMU. 2 3ifneq ($(words $(subst :, ,$(CURDIR))), 1) 4 $(error main directory cannot contain spaces nor colons) 5endif 6 7# Always point to the root of the build tree (needs GNU make). 8BUILD_DIR=$(CURDIR) 9 10# Before including a proper config-host.mak, assume we are in the source tree 11SRC_PATH=. 12 13# Don't use implicit rules or variables 14# we have explicit rules for everything 15MAKEFLAGS += -rR 16 17SHELL = /usr/bin/env bash -o pipefail 18 19# Usage: $(call quiet-command,command and args,"NAME","args to print") 20# This will run "command and args", and either: 21# if V=1 just print the whole command and args 22# otherwise print the 'quiet' output in the format " NAME args to print" 23# NAME should be a short name of the command, 7 letters or fewer. 24# If called with only a single argument, will print nothing in quiet mode. 25quiet-command-run = $(if $(V),,$(if $2,printf " %-7s %s\n" $2 $3 && ))$1 26quiet-@ = $(if $(V),,@) 27quiet-command = $(quiet-@)$(call quiet-command-run,$1,$2,$3) 28 29UNCHECKED_GOALS := %clean TAGS cscope ctags dist \ 30 help check-help print-% \ 31 docker docker-% vm-help vm-test vm-build-% 32 33all: 34.PHONY: all clean distclean recurse-all dist msi FORCE 35 36# Don't try to regenerate Makefile or configure 37# We don't generate any of them 38Makefile: ; 39configure: ; 40 41# All following code might depend on configuration variables 42ifneq ($(wildcard config-host.mak),) 43include config-host.mak 44 45git-submodule-update: 46.git-submodule-status: git-submodule-update config-host.mak 47Makefile: .git-submodule-status 48 49.PHONY: git-submodule-update 50 51git_module_status := $(shell \ 52 cd '$(SRC_PATH)' && \ 53 GIT="$(GIT)" ./scripts/git-submodule.sh status $(GIT_SUBMODULES); \ 54 echo $$?; \ 55) 56 57ifeq (1,$(git_module_status)) 58ifeq (no,$(GIT_UPDATE)) 59git-submodule-update: 60 $(call quiet-command, \ 61 echo && \ 62 echo "GIT submodule checkout is out of date. Please run" && \ 63 echo " scripts/git-submodule.sh update $(GIT_SUBMODULES)" && \ 64 echo "from the source directory checkout $(SRC_PATH)" && \ 65 echo && \ 66 exit 1) 67else 68git-submodule-update: 69 $(call quiet-command, \ 70 (cd $(SRC_PATH) && GIT="$(GIT)" ./scripts/git-submodule.sh update $(GIT_SUBMODULES)), \ 71 "GIT","$(GIT_SUBMODULES)") 72endif 73endif 74 75# 0. ensure the build tree is okay 76 77# Check that we're not trying to do an out-of-tree build from 78# a tree that's been used for an in-tree build. 79ifneq ($(realpath $(SRC_PATH)),$(realpath .)) 80ifneq ($(wildcard $(SRC_PATH)/config-host.mak),) 81$(error This is an out of tree build but your source tree ($(SRC_PATH)) \ 82seems to have been used for an in-tree build. You can fix this by running \ 83"$(MAKE) distclean && rm -rf *-linux-user *-softmmu" in your source tree) 84endif 85endif 86 87# force a rerun of configure if config-host.mak is too old or corrupted 88ifeq ($(MESON),) 89.PHONY: config-host.mak 90x := $(shell rm -rf meson-private meson-info meson-logs) 91endif 92ifeq ($(NINJA),) 93.PHONY: config-host.mak 94x := $(shell rm -rf meson-private meson-info meson-logs) 95endif 96ifeq ($(wildcard build.ninja),) 97.PHONY: config-host.mak 98x := $(shell rm -rf meson-private meson-info meson-logs) 99endif 100 101# 1. ensure config-host.mak is up-to-date 102config-host.mak: $(SRC_PATH)/configure $(SRC_PATH)/pc-bios $(SRC_PATH)/VERSION 103 @echo $@ is out-of-date, running configure 104 @if test -f meson-private/coredata.dat; then \ 105 ./config.status --skip-meson; \ 106 else \ 107 ./config.status; \ 108 fi 109 110# 2. ensure generated build files are up-to-date 111 112ifneq ($(NINJA),) 113# A separate rule is needed for Makefile dependencies to avoid -n 114export NINJA 115Makefile.ninja: build.ninja 116 $(quiet-@){ echo 'ninja-targets = \'; $(NINJA) -t targets all | sed 's/:.*//; $$!s/$$/ \\/'; } > $@ 117-include Makefile.ninja 118endif 119 120ifneq ($(MESON),) 121# The dependency on config-host.mak ensures that meson has run 122Makefile.mtest: build.ninja scripts/mtest2make.py config-host.mak 123 $(MESON) introspect --targets --tests --benchmarks | $(PYTHON) scripts/mtest2make.py > $@ 124-include Makefile.mtest 125endif 126 127# 3. Rules to bridge to other makefiles 128 129ifneq ($(NINJA),) 130NINJAFLAGS = $(if $V,-v,) \ 131 $(filter-out -j, $(lastword -j1 $(filter -l% -j%, $(MAKEFLAGS)))) \ 132 $(subst -k, -k0, $(filter -n -k,$(MAKEFLAGS))) 133 134ninja-cmd-goals = $(or $(MAKECMDGOALS), all) 135ninja-cmd-goals += $(foreach t, $(.tests), $(.test.deps.$t)) 136 137makefile-targets := build.ninja ctags TAGS cscope dist clean uninstall 138ninja-targets := $(filter-out $(makefile-targets), $(ninja-targets)) 139.PHONY: $(ninja-targets) run-ninja 140$(ninja-targets): run-ninja 141 142# Use "| cat" to give Ninja a more "make-y" output. Use "+" to bypass the 143# --output-sync line. 144run-ninja: config-host.mak 145ifneq ($(filter $(ninja-targets), $(ninja-cmd-goals)),) 146 +@$(NINJA) $(NINJAFLAGS) $(sort $(filter $(ninja-targets), $(ninja-cmd-goals))) | cat 147endif 148endif 149 150# Force configure to re-run if the API symbols are updated 151ifeq ($(CONFIG_PLUGIN),y) 152config-host.mak: $(SRC_PATH)/plugins/qemu-plugins.symbols 153 154.PHONY: plugins 155plugins: 156 $(call quiet-command,\ 157 $(MAKE) $(SUBDIR_MAKEFLAGS) -C contrib/plugins V="$(V)", \ 158 "BUILD", "example plugins") 159endif # $(CONFIG_PLUGIN) 160 161else # config-host.mak does not exist 162config-host.mak: 163ifneq ($(filter-out $(UNCHECKED_GOALS),$(MAKECMDGOALS)),$(if $(MAKECMDGOALS),,fail)) 164 @echo "Please call configure before running make!" 165 @exit 1 166endif 167endif # config-host.mak does not exist 168 169SUBDIR_MAKEFLAGS=$(if $(V),,--no-print-directory --quiet) 170 171include $(SRC_PATH)/tests/Makefile.include 172 173all: recurse-all 174 175ROM_DIRS = $(addprefix pc-bios/, $(ROMS)) 176ROM_DIRS_RULES=$(foreach t, all clean, $(addsuffix /$(t), $(ROM_DIRS))) 177# Only keep -O and -g cflags 178.PHONY: $(ROM_DIRS_RULES) 179$(ROM_DIRS_RULES): 180 $(call quiet-command,$(MAKE) $(SUBDIR_MAKEFLAGS) -C $(dir $@) V="$(V)" TARGET_DIR="$(dir $@)" $(notdir $@),) 181 182.PHONY: recurse-all recurse-clean 183recurse-all: $(addsuffix /all, $(ROM_DIRS)) 184recurse-clean: $(addsuffix /clean, $(ROM_DIRS)) 185 186###################################################################### 187 188clean: recurse-clean 189 -@test -f build.ninja && $(quiet-@)$(NINJA) $(NINJAFLAGS) -t clean || : 190 -@test -f build.ninja && $(NINJA) $(NINJAFLAGS) clean-ctlist || : 191# avoid old build problems by removing potentially incorrect old files 192 rm -f config.mak op-i386.h opc-i386.h gen-op-i386.h op-arm.h opc-arm.h gen-op-arm.h 193 find . \( -name '*.so' -o -name '*.dll' -o -name '*.[oda]' \) -type f \ 194 ! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-aarch64.a \ 195 ! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-arm.a \ 196 -exec rm {} + 197 rm -f TAGS cscope.* *.pod *~ */*~ 198 rm -f fsdev/*.pod scsi/*.pod 199 200VERSION = $(shell cat $(SRC_PATH)/VERSION) 201 202dist: qemu-$(VERSION).tar.bz2 203 204qemu-%.tar.bz2: 205 $(SRC_PATH)/scripts/make-release "$(SRC_PATH)" "$(patsubst qemu-%.tar.bz2,%,$@)" 206 207distclean: clean 208 -@test -f build.ninja && $(quiet-@)$(NINJA) $(NINJAFLAGS) -t clean -g || : 209 rm -f config-host.mak config-host.h* 210 rm -f tests/tcg/config-*.mak 211 rm -f config-all-disas.mak config.status 212 rm -f tests/qemu-iotests/common.env 213 rm -f roms/seabios/config.mak roms/vgabios/config.mak 214 rm -f qemu-plugins-ld.symbols qemu-plugins-ld64.symbols 215 rm -f *-config-target.h *-config-devices.mak *-config-devices.h 216 rm -rf meson-private meson-logs meson-info compile_commands.json 217 rm -f Makefile.ninja Makefile.mtest 218 rm -f config.log 219 rm -f linux-headers/asm 220 rm -Rf .sdk 221 222find-src-path = find "$(SRC_PATH)/" -path "$(SRC_PATH)/meson" -prune -o -name "*.[chsS]" 223 224.PHONY: ctags 225ctags: 226 rm -f "$(SRC_PATH)/"tags 227 $(find-src-path) -exec ctags -f "$(SRC_PATH)/"tags --append {} + 228 229.PHONY: TAGS 230TAGS: 231 rm -f "$(SRC_PATH)/"TAGS 232 $(find-src-path) -exec etags -f "$(SRC_PATH)/"TAGS --append {} + 233 234.PHONY: cscope 235cscope: 236 rm -f "$(SRC_PATH)"/cscope.* 237 $(find-src-path) -print | sed -e 's,^\./,,' > "$(SRC_PATH)/cscope.files" 238 cscope -b -i"$(SRC_PATH)/cscope.files" -f"$(SRC_PATH)"/cscope.out 239 240# Needed by "meson install" 241export DESTDIR 242 243include $(SRC_PATH)/tests/docker/Makefile.include 244include $(SRC_PATH)/tests/vm/Makefile.include 245 246print-help-run = printf " %-30s - %s\\n" "$1" "$2" 247print-help = $(quiet-@)$(call print-help-run,$1,$2) 248 249.PHONY: help 250help: 251 @echo 'Generic targets:' 252 $(call print-help,all,Build all) 253 $(call print-help,dir/file.o,Build specified target only) 254 $(call print-help,install,Install QEMU, documentation and tools) 255 $(call print-help,ctags/TAGS,Generate tags file for editors) 256 $(call print-help,cscope,Generate cscope index) 257 $(call print-help,sparse,Run sparse on the QEMU source) 258 @echo '' 259ifeq ($(CONFIG_PLUGIN),y) 260 @echo 'Plugin targets:' 261 $(call print-help,plugins,Build the example TCG plugins) 262 @echo '' 263endif 264 @echo 'Cleaning targets:' 265 $(call print-help,clean,Remove most generated files but keep the config) 266 $(call print-help,distclean,Remove all generated files) 267 $(call print-help,dist,Build a distributable tarball) 268 @echo '' 269 @echo 'Test targets:' 270 $(call print-help,check,Run all tests (check-help for details)) 271 $(call print-help,bench,Run all benchmarks) 272 $(call print-help,docker,Help about targets running tests inside containers) 273 $(call print-help,vm-help,Help about targets running tests inside VM) 274 @echo '' 275 @echo 'Documentation targets:' 276 $(call print-help,html man,Build documentation in specified format) 277 @echo '' 278ifdef CONFIG_WIN32 279 @echo 'Windows targets:' 280 $(call print-help,installer,Build NSIS-based installer for QEMU) 281ifdef CONFIG_QGA_MSI 282 $(call print-help,msi,Build MSI-based installer for qemu-ga) 283endif 284 @echo '' 285endif 286 $(call print-help,$(MAKE) [targets],(quiet build, default)) 287 $(call print-help,$(MAKE) V=1 [targets],(verbose build)) 288 289# will delete the target of a rule if commands exit with a nonzero exit status 290.DELETE_ON_ERROR: 291 292print-%: 293 @echo '$*=$($*)' 294